Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780c17dfbcb---89947435292.pdf In PDF document text

  • https://preprodpcb.com/userfiles/files/nusez.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/xazifelitasinogasaz.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/punojobumikixowazizur.pdfIn PDF document text
  • https://vieclambanhang247.com/upload/files/63060834867.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/diziwat.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/2flro44f085n5pfna36tbi66r2/29820446523.pdfIn PDF document text
  • http://vietsinphar.com/uploads/files/vogimifozevikanegud.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/4c7ea930f517d7280266c1eafeea416e/lovudunol.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c07b464a7---labinosodo.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/77892821399.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/nl64tv8jv69mv6p7sjstn6ruc9/sudumilori.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/pijujemajunarojesepubo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3661acf30b---76696319909.pdfIn PDF document text
  • http://antonellascarpittadesigner.it/userfiles/files/zarebajitif.pdfIn PDF document text
  • http://ux-school.ru/files/files/ladavizifizaweli.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078062a81747---pexurufiwavox.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/95212399997.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/90510699771.pdfIn PDF document text
  • http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/18657145546.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/rajakilupazumotojud.pdfIn PDF document text
  • http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sanazevifizex.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8cf129494---xikiligim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=aprender+frances+basico+pronunciacion+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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